/* ================================================================
   A2 MARKETING — RESPONSIVE BREAKPOINTS
   Mobile-first: 320 → 375 → 430 → 768 → 1024 → 1440 → 1920
   ================================================================ */

/* ---- MOBILE (up to 767px) ---- */
@media (max-width: 767px) {
  /* Navigation */
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-toggle { display: flex; }

  .nav-pill {
    padding: var(--spacing-8) var(--spacing-12) var(--spacing-8) var(--spacing-16);
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: var(--spacing-120);
    padding-bottom: var(--spacing-64);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-48);
  }

  .hero-visual {
    order: -1;
  }

  .hero-composition {
    max-width: 320px;
    margin: 0 auto;
  }

  .hero-shape--main {
    font-size: 80px;
  }

  .hero-shape--search {
    left: 0;
    font-size: 12px;
    padding: var(--spacing-8) var(--spacing-16);
  }

  .hero-text {
    font-size: var(--text-body);
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    text-align: center;
  }

  /* Sections */
  .section {
    padding-top: var(--spacing-64);
    padding-bottom: var(--spacing-64);
  }

  .container {
    padding-left: var(--spacing-16);
    padding-right: var(--spacing-16);
  }

  /* Problem Grid */
  .problem-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }

  .problem-item {
    padding: var(--spacing-24) var(--spacing-16);
  }

  /* Services Grid */
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-16);
  }

  .service-card {
    min-height: auto;
    padding: var(--spacing-24);
  }

  /* Process */
  .process-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .process-step {
    padding: var(--spacing-24) 0;
    border-top: 1px solid var(--color-ash);
  }

  .section--dark .process-step {
    border-top-color: var(--color-graphite);
  }

  /* Advantage */
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .advantage-col {
    padding: var(--spacing-24);
  }

  /* Team */
  .team-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-24);
  }

  .team-member {
    padding: var(--spacing-32) var(--spacing-24);
  }

  /* Case Studies */
  .case-grid {
    grid-template-columns: 1fr;
  }

  .case-card {
    padding: var(--spacing-32) var(--spacing-24);
    min-height: auto;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-40);
  }

  .contact-form {
    padding: var(--spacing-24);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Service Pages */
  .service-features {
    grid-template-columns: 1fr;
    gap: var(--spacing-16);
  }

  .service-hero {
    padding-top: var(--spacing-96);
    padding-bottom: var(--spacing-40);
  }

  .breadcrumbs {
    padding-top: var(--spacing-96);
  }

  /* Grid Utilities */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-32);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-16);
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  /* CTA */
  .cta-section {
    padding: var(--spacing-64) 0;
  }

  .btn-large {
    padding: var(--spacing-16) var(--spacing-32);
    font-size: var(--text-body);
  }
}


/* ---- SMALL PHONES (max 375px) ---- */
@media (max-width: 375px) {
  .hero-composition {
    max-width: 260px;
  }

  .hero-shape--main {
    font-size: 64px;
  }

  .hero-shape--card-1,
  .hero-shape--card-2 {
    padding: var(--spacing-12) var(--spacing-16);
  }

  .hero-shape--card-1 .shape-value {
    font-size: 22px;
  }

  .mobile-menu-link {
    font-size: 1.75rem;
  }
}


/* ---- TABLET (768px – 1023px) ---- */
@media (min-width: 768px) and (max-width: 1023px) {
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-toggle { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr 1fr;
  }

  .hero-composition {
    max-width: 360px;
  }

  .hero-shape--main {
    font-size: 100px;
  }

  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-step:nth-child(n+4) {
    grid-column: span 1;
  }

  .service-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-40);
  }
}


/* ---- SMALL DESKTOP (1024px – 1439px) ---- */
@media (min-width: 1024px) and (max-width: 1439px) {
  .nav-pill {
    max-width: 720px;
  }

  .hero-composition {
    max-width: 420px;
  }

  .process-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-12);
  }

  .process-title {
    font-size: 1.25rem;
  }
}


/* ---- LARGE DESKTOP (1440px+) ---- */
@media (min-width: 1440px) {
  .container {
    padding-left: var(--spacing-40);
    padding-right: var(--spacing-40);
  }

  .section {
    padding-top: var(--spacing-96);
    padding-bottom: var(--spacing-96);
  }

  .hero {
    min-height: 100vh;
  }

  .hero-composition {
    max-width: 520px;
  }
}


/* ---- ULTRAWIDE (1920px+) ---- */
@media (min-width: 1920px) {
  :root {
    --page-max-width: 1400px;
  }
}